PSLE Look at the graph and answer the following questions.
- How many rulers did the shop sell in August?
- The number of rulers sold in November was an 20% decrease from the number sold in October. How many rulers were sold in November?
(a)
Number of rulers sold in August = 20
(b)
Total number of rulers sold in November as compared to October
= 100% - 20%
= 80%
100% → 40
1% → 40 ÷ 100 = 0.4
80% → 80 x 0.4 = 32
Number of rulers sold in November = 32
Answer(s): 20; (b) 32